The humble printer cartridge—a necessary item in an ever-growing number of businesses, homes, and schools—is a bone of contention in an industrial struggle worth billions of dollars to ...

Saving money with used printer cartridges is finally legal The Supreme Court has ruled that once a company sells you a printer cartridge they no longer have any patent rights over it.

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The “closed-loop” process gives used HP ink-jet cartridges a sustainable end-of-life value and puts the materials back to good use while being environmentally friendly, HP representatives said.